Best-Selling Science Kits & STEM Toys | KiwiCo

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Ice Skating Rink image

Ice Skating Rink

4.7

Price:

Pendulum Art Machine image

Pendulum Art Machine

5.0

Price:

Chain Reaction Workshop image

Chain Reaction Workshop

4.8

Price:

Flex & Fly Plane Launcher image

Flex & Fly Plane Launcher

4.7

Price:

Most loved

Science of Cooking: Ice Cream image

Science of Cooking: Ice Cream

4.8

Price:

Build & Play Chess Set image

Build & Play Chess Set

5.0

Price:

Remote-Controlled Snake Robot image

Remote-Controlled Snake Robot

4.6

Price:

Kinetic Light-Up Speaker image

Kinetic Light-Up Speaker

5.0

Price:

Limited stock

Pixel Art Lightbox image

Pixel Art Lightbox

5.0

Price:

Most loved

Marble Roller Coaster image

Marble Roller Coaster

4.9

Price:

Light Play Lab image

Light Play Lab

5.0

Price:

Nature Kaleidoscope Set image

Nature Kaleidoscope Set

4.7

Price:

Out of stock

Walking Robot image

Walking Robot

4.8

Price:

Marble Run + Art Easel image

Marble Run + Art Easel

4.7

Price:

Peek-a-Zoo Puzzle Box image

Peek-a-Zoo Puzzle Box

4.7

Price:

Out of stock

Wind Play Lab image

Wind Play Lab

4.9

Price:

Most loved

Eggsperiments image

Eggsperiments

4.8

Price:

Chomping Mechanical Dinosaur Costume image

Chomping Mechanical Dinosaur Costume

4.6

Price:

Most loved

Pinball Machine image

Pinball Machine

4.8

Price:

Animal Bath Bombs image

Animal Bath Bombs

4.6

Price:

Motorized Spin Art image

Motorized Spin Art

From

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4.9

From $24

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Out of stock

Microscope Exploration Set image

Microscope Exploration Set

5.0

Price:

Cozy Glowing Fireplace image

Cozy Glowing Fireplace

5.0

Price:

Science of Cooking: Mini Cakes image

Science of Cooking: Mini Cakes

5.0

Price:

Most loved

Cannonball Launcher image

Cannonball Launcher

4.7

Price:

Paper Dolls image

Paper Dolls

5.0

Price:

Fun Dough Pasta Maker image

Fun Dough Pasta Maker

4.9

Price:

Record Racer image

Record Racer

4.9

Price:

Pretend Play Doctor's Kit image

Pretend Play Doctor's Kit

5.0

Price:

Limited stock

Magnetic Car Set image

Magnetic Car Set

5.0

Price:

Civil Engineer Starter Kit image

Civil Engineer Starter Kit

5.0

Price:

Speedy Race Cars image

Speedy Race Cars

4.5

Price:

Pop-Up Shape Sorter Puzzle image

Pop-Up Shape Sorter Puzzle

5.0

Price:

Crawling Robot image

Crawling Robot

4.8

Price:

Planet Bath Bombs image

Planet Bath Bombs

4.6

Price:

Most loved

Levitating Lantern image

Levitating Lantern

4.8

Price:

Giant Bubbles image

Giant Bubbles

4.9

Price:

Limited stock

Froggie Dissection Lab image

Froggie Dissection Lab

4.8

Price:

Geologist Starter Kit image

Geologist Starter Kit

5.0

Price:

Most loved

Glowing Horn Unicorn Costume image

Glowing Horn Unicorn Costume

4.8

Price:

Marine Biologist Starter Kit image

Marine Biologist Starter Kit

4.9

Price:

Basketball Catapult image

Basketball Catapult

5.0

Price:

Fill-It-Up Recycling Truck Set image

Fill-It-Up Recycling Truck Set

5.0

Price:

Sensory Sand Shaved Ice Maker image

Sensory Sand Shaved Ice Maker

5.0

Price:

3-pack

Pretend Play + Early Math Bundle (3-Pack) image

Pretend Play + Early Math Bundle (3-Pack)

Price: $149.85 value

Sensory Solar System Set image

Sensory Solar System Set

5.0

Price:

Solar Crayon Recycler image

Solar Crayon Recycler

4.9

Price:

Easy-Squeezy Juicer image

Easy-Squeezy Juicer

5.0

Price:

Peekaboo Play Tunnel image

Peekaboo Play Tunnel

4.8

Price:

Splash Blasters image

Splash Blasters

4.8

Price:

Fold & Play Fliers image

Fold & Play Fliers

5.0

Price:

Limited stock

Biology Blocks Shape Sorter image

Biology Blocks Shape Sorter

4.6

Price:

My First Puzzle Books Box Set image

My First Puzzle Books Box Set

Price:

Construction Excavator Costume image

Construction Excavator Costume

4.7

Price:

Fishing Game image

Fishing Game

4.6

Price:

Rainbow Blocks and Cars Building Set image

Rainbow Blocks and Cars Building Set

5.0

Price:

Over Under Opposite image

Over Under Opposite

5.0

Price:

Out of stock

The A-MAZE-ing Seasons: A follow-your-finger book! image

The A-MAZE-ing Seasons: A follow-your-finger book!

5.0

Price:

Poppy Plushie Book Set image

Poppy Plushie Book Set

Price: $53.80 value

Birds Have A Lot To Say image

Birds Have A Lot To Say

5.0

Price:

Limited stock

Be A Rainbow: A move-the-shapes book! image

Be A Rainbow: A move-the-shapes book!

Price:

Which Way Home? image

Which Way Home?

5.0

Price:

Puking Pumpkin image

Puking Pumpkin

5.0

Price:

Farmers Market image

Farmers Market

4.8

Price:

Kellan Plushie Book Set image

Kellan Plushie Book Set

Price: $59.80 value

Chop Chop! Yum Yum! image

Chop Chop! Yum Yum!

Price:

Who in the Zoo? image

Who in the Zoo?

Price:

Surprise, Poppy! A Counting Book image

Surprise, Poppy! A Counting Book

Price:

Are You A Koala? image

Are You A Koala?

Price:

Kellan and Friends Down on the Farm image

Kellan and Friends Down on the Farm

Price:

Most loved

Paleontologist Starter Kit image

Paleontologist Starter Kit

4.9

Price:

Showing 71 of 77

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Best-Selling Science Kits & STEM Toys

Enriching, science-based learning needs to have a few of these key elements: curious minds, hands-on projects, quality materials, and fun results! These popular science kits and STEM toys contain all you need to share exciting discoveries with the ones you love most.

With a healthy dose of enthusiasm and the right project, your little scientist will have an unforgettable experience. KiwiCo offers popular science kits that give curious adventurers the ability to tinker, test, and try out their theories! Science can be fun, and that's a theory that can be proven with just the right experiment.